19828684

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 35481600

約数和(自身を除く): 15652916

約数列:

[1, 2, 4, 79, 131, 158, 262, 316, 479, 524, 958, 1916, 10349, 20698, 37841, 41396, 62749, 75682, 125498, 151364, 250996, 4957171, 9914342, 19828684]

約数ペア:

[(1, 19828684), (2, 9914342), (4, 4957171), (79, 250996), (131, 151364), (158, 125498), (262, 75682), (316, 62749), (479, 41396), (524, 37841), (958, 20698), (1916, 10349)]